For questions involving the application of the program Maple to mathematics. NOTE: questions which focus primarily on the program Maple and not on its applications to mathematics are not appropriate for this site.

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19 views

Maple produces only errors

I have Maple 18 installed on linux. I've been following the guide and I got to a point where I'm suppose to right click 2*x-9=0 and solve for x. This fairly simple ...
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0answers
16 views

How would I get Maple to display all integer solutions to this system of inequalities? [on hold]

I need to find all the integer solutions satisfying: $$20+x\geq0;\space2x+5y\geq;\space-x-2y\geq0.$$ I'm not sure which Maple functions would work and whatnot. A guy can only google this stuff for so ...
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1answer
32 views

Solving the Diophantine equation $ax + by = c$ using Maple [on hold]

I wrote a program in Maple called EEAsolve (I'm not sure how I can show everybody the code), and what it does is takes 3 parameters from $ax + by = c$: $a$, $b$, and $c$. When I run the program with ...
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1answer
27 views

Differential equation in Maple : No solution on $x = -1 .. 1, y = -1 .. 1$.

Backround: Yesterday in class we had a lab session (practical work ?) on ODE and I have a question. We plot the following contour (I am using maple) implicitplot(H(x, y) = 0, x = -1 .. 1, y = -1 .. ...
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0answers
24 views

How to initialize a list of size(say n) in maple like in C++ [closed]

I am to generate a list containing the square of integers 1 to k by invoking another function squaresum(). For this, i've defined a local list in my procedure in maple and had a command such as : ...
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1answer
17 views

How to add a “:” to every 4th element in a list in Maple [closed]

I have a list as follows: list:=[x,a,b,c,y,a,b,c,z,a,b,c] and would ideally like the list to look like list:=[x:a,b,c,y:a,b,c,z:a,b,c] What is the best way to achieve this?
2
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0answers
40 views

Zeilbergers algorithm in Maple

I try to prove several hard combinatorial identities. One of them is following \begin{align*} \sum_{s=0}^{\min\{k,n-1\}} \sum_{i=0}^{k-s} (-1)^{i} {2n+k-i-1 \choose k-s-i} {i-n \choose s} {n+i-1 ...
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2answers
28 views

How to generate a sequence in maple based on a condition

I'm supposed to generate a sequence of even numbers from $1$ to $100$ in Maple. While this should be very straightforward, I've tried using both a conditional statement within the $\text{seq}()$ ...
0
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1answer
27 views

Plot a set, given in cylindrical coordinates, with Maple and $\text{plot3d}$

I want to plot the set $\phi(A)$ with Maple, where $$\phi:[0,\infty)\times[0,2\pi)\times\mathbb{R}\to\mathbb{R}^3\;,\;\;\;(r,\phi,z)\mapsto(r\cos\phi,r\sin\phi,z)$$ is the transformation in ...
0
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1answer
25 views

Initial conditions for differential equation in Maple

The motion of an object is being described by the equation \begin{align*} m\frac{dv(t)}{dt} = mg - \gamma v(t).\end{align*} Determine the solutions of this equation for the paramters: $m=10kg, \gamma ...
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1answer
55 views

How does Matlab, Maple, etc…solve algebraic and differential equations internally?

I would be very interested finding out how does Matlab, Maple, etc…solve algebraic and differential equations internally? Anyone know how they do it?
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1answer
21 views

How to return the monomials in a polynomial in Maple?

Are there some function $f$ which returns the monomials in a Laurent polynomial? For example, $f(a_1^{-1}+3b_{2,1})=[a_1^{-1}, 3b_{2,1}]$. Thank you very much.
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2answers
22 views

Return factors of a monomial in Maple.

Let $$ m = Y_{{1,0}}{Y_{{1,2}}}^{2}Y_{{2,5}}Y_{{1,8}}. $$ Using the function op in Maple, we have $op(m) = Y[1, 0], Y[1, 2]^2, Y[2, 5], Y[1, 8]$. But $op(Y[1,0])=1,0$ and $op(Y[1,0]^2)=Y[1,0],2$. Are ...
1
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2answers
35 views

How to compute sum with non consecutive indices in Maple?

Suppose we need to compute the sum in Maple, $ \sum_{i = 0}^{10} 2^i $, We can use the command, sum(2^i, i = 0 .. 10) Now, what if the indices are not ...
0
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1answer
22 views

Parametric curves in maple

I know how to plot a parametric curve in Maple (18), but is it also possible to 'define' the parametric equation? I.e. I have to find the intersection of: f:= t-> sin(t); g:= t -> 0.5*sin(2*t); and y ...
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1answer
38 views

Maple, simplyfing ODEs questions

I'm a novice using Maple 16. I'm using it mostly to check my DE homework solutions. And it happens a lot that I get stuff like in the picture. I mean (if I'm not missing anything important) that ...
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2answers
62 views

Maple: How do I type “solve” with an arrow under?

I am trying to learn using Maple 18 (Mac). I have defined a function with a list of X and Y values. f := x->LinReg(X, Y, x) Now I would like to output the unknown "x" value that correlates with ...
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1answer
13 views

MAPLE- Developed in a Fourier Basis - Simplifying commands

After a succession of simplifying commands, I am trying to have a truncated serie Fourier of the expression T3. I get this kind of result T33 : [1] : ...
3
votes
1answer
51 views

Converting large symbolic Jacobian to LaTeX

I have generated an 8x8 Jacobian, containing a few variables and several zeros as elements. I would like to translate this to LaTeX code. How can I first simplify what I have, to make it tractable? ...
2
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2answers
35 views

Reading the coefficients with Maple

If I have $$ a+(b-c \cdot a) \cdot x = 5+7x $$ then I know that $$ a = 5 $$ and $$ b-c \cdot a = b-5c = 7 $$ Can I get this result with Maple? If I just write ...
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1answer
22 views

Order of terms in simple expression in Maple 18

If I write a[n-1] in Maple 18 it changes the output to $a_{-1+n}$ and 4*c[1]-6*c[2] is changed to $-6 c_2+4 c_1$. And this ...
2
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1answer
68 views

Solving equation with integer matrices as unknowns

I am currently working on a problem, where I need to know for square integer matrices, $A$ and $B$, whether or not there exists square integer matrices, $X$ and $Y$, such that $X(A-I)Y=B-I$, where $I$ ...
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1answer
27 views

Is there a way to change default order of series in Maple?

The default order when expanding in the software Maple is 6 (six!!!). This is very awkward and annoying because one rarely need even the second (non-trivial) order. In any case, is there a way to ...
0
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0answers
19 views

Maple Interactive Plot Builder

I'm using Maple and have made several plots in my document. When I remove output and run it through (by clicking !!!), the "interactive plot builder: specify expressions" dialog box keeps on popping ...
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1answer
57 views

Maple plotting and loops

I need to plot all of the curves generated using a Maple for loop. As an example, consider the simple loop: ...
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1answer
37 views

Roots of an equation using Maple

I am using Maple to find the roots of a non-linear equation in one variable. When I solve the equation, I get only 2 negative roots whereas if I plot the graph of the function, it also shows that the ...
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1answer
26 views

Building an nth order ODE in Maple (or Matlab)

The question is simple: given a system of ODEs, how can one construct the equivalent nth order ODE in Maple? In my case I have $$ \begin{cases} y''(t)+x'(t)+x(t)=f(t)\\ y''(t)+z''(t)+z'(t)+z(t)=0\\ ...
-1
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2answers
41 views

Why do I keep getting a negative solution in Maple?

I would like to solve a system of 9 nonlinear equations, with the constraints on all 9 variables to be that they are nonnegative. My code is below. ...
1
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1answer
39 views

Maple - Substitute into an expression involving derivative

I'm working with some matrices including derivatives like d/dt(x(t)). I need to replace this whole expression {d/dt(x(t))} with something like xdot. I have tried to use "subs", but it seems to refuse ...
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0answers
15 views

What's the difference between these two ways to find roots of a polynomial?

When finding roots of a polynomial what's the difference between the one in with(Student[Calculus1]) and with(SolveTools)? ...
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0answers
28 views

Maple - Error, `-` unexpected

I'm working with a 3 by 1 matrix in maple whose members are very very large expressions including sines and cosines. I have derived the matrix in Maple before and then pasted in MS Word. After some ...
1
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1answer
55 views

How to solve calculus integration problem using Maple?

May I know if it is possible to solve these problems using Maple? ( I've tried it by hand but I would like to know if there are alternatives) In triangle ABC, M is the point on BC such that the ...
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3answers
49 views

Is this power rule true for the natural base?

Two questions 1) I was wondering if $e^{k \ln{x}}=k$ for any k. Is it? 2)To test I went to Maple and typed e^-ln(x) and it gave $e^{-ln(x)}$. I tried simplify and ...
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1answer
84 views

How to do this in maple?

1.Sexy primes are prime numbers that differ from each other by six. For example, the first 5 sexy prime pairs are (5, 11), (7, 13), (11, 17), (13, 19), (17, 23). Find the number of sexy prime pairs ...
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1answer
43 views

Сombinatorial identity

I try to prove the following hypothesis $$\sum_{i=0}^k \frac{(-1)^i (n+i-1)(n+k-2)!}{i!(k-1)!(n-1)!}{{n+2k-i-1} \choose {2k}}=\frac {{n+k-1\choose k}{n-2+k\choose k}}{k+1}.$$ In the Maple: gip:=proc ...
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2answers
42 views

Maple differentiation syntax?

If you have assigned a function to a label, how can you take it's derivative? For example I defined fun2 as $x^3$ but doing ...
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2answers
51 views

Can anyone show me the starting step for this question?

Let $x = x(t)$ and $y = y(t)$ be functions in $t$. Suppose that $x′ = 2x − 5y + t$ and $y′ = 4x + 9y + \sin t$ such that $x(0) = y(0) = 0$. Find $y(1)$ This is my first time using maple.I know how to ...
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0answers
45 views

solve complicated system of non-linear equations numerically

I have two algebraic equations I am trying to solve in MAPLE. They are: $14\,{a}^{26}{b}^{2}-91\,{a}^{24}{b}^{4}-364\,{a}^{22}{b}^{6}-1001\,{a} ...
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1answer
68 views

Solving symbolic linear equations with maple

How can I solve linear equations of the following type in Maple? $$\begin{pmatrix} 1 & 1 & 1 & 1\\ b-c & c-b & a-b &0 \\ b-d & d-a & 0 &a-b \end{pmatrix} ...
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0answers
18 views

how to test whether cobordism exist between two manifold or two system of polynomials

from wiki Every simply connected, closed 3-manifold is homeomorphic to the 3-sphere. from book geometrisation of 3-manifolds ...
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1answer
19 views

Maple command for finding specific values that will make an inequality true

Is there a Maple command for finding specific values that will make an inequality true? For instance, if the input is $a<b,$ a possible output would be $a=1,b=2.$
1
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1answer
27 views

Maple not displaying graph

Maple is only producing a description of a graph, e.g. C := Graph 9: an undirected unweighted graph with 66 vertices and 219 edge(s), rather than displaying the graph. Can anyone please help? ...
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1answer
45 views

Plot zeros of partial sum of zeta Riemann with Maple

I want to plot the zeros of the partial sum of the Riemann zeta function with Maple. Some hint?? Thanks!!!
0
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1answer
45 views

Using Maple to find the normal vector

I'm trying to find the normal vector to the level surface $xyz = 1$ at an arbitrary point $(a, b, c)$ ...
3
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1answer
69 views

Integration: $\frac{2}{\pi} \int_0^\pi \frac{\sin(nx)}{10}x(\pi-x) \mathrm{d}x$ Can someone matlab/mathematica/maple it for me?

I want to compute $\frac{2}{\pi} \int_0^\pi \frac{\sin(nx)}{10}x(\pi-x) \mathrm{d}x$, where $n=1,2,3,4,\dots$ I worked this by hand and got the result: $-\frac{4\cos(nx)}{10n^3\pi}$ To check my ...
0
votes
3answers
105 views

Plot the graph of a discontinuous function of two variables using Maple

I want to plot the level curve of $xyz = 1$; According to wolfram alpha the plot should look like this; But instead I end up with; Here's my Maple code. I'm sure it's because the function is ...
0
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2answers
51 views

What's the easiest way to approximate an answer to n places after the decimal?

Say you wanted a decimal answer. How do you get one? I know evalf() can be used but it counts ALL digits, not just after the decimal. For example evalf(19/4, 2) gives 4.8 but I'm looking for a ...
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0answers
20 views

Change of variables in maple

I am trying to perform a change of variable as follows in Maple: and I can't get the third term substituted properly. Is there something I'm doing wrong?
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1answer
41 views

Use the pseudoinverse to find the conic section of best fit to the data

I am working on a group project and none of us can figure out how to find the answer. Our professor insists that all of our work be done in maple. The problem is: Use the pseudoinverse to find the ...